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HomeMy WebLinkAboutCORINA LT 1 Corina Lot 1 #051-232-87 Municipality of Anchorage On -Site Water and Wastewater Section • (907) 343-7904 Page 1 of 3 ON-SITE WASTEWATER INSPECTION REPORT Permit Number: OSP221069 PID Number: 051-232-17 Dwelling: ❑N Single Family (SF) ❑ with ADU ❑ Duplex (D) ❑ Two Single Family Project: ❑■ New ❑ Upgrade Name HULTQUIST HOMES INC ABSORPTION FIELD ❑ Deep Trench A Wide Trench ❑ Bed ❑ Mound Site Address 19038 RICHNER RD, Chugiak ❑ Other Phone (907) 310-2501 Number of Bedrooms 3 Soil Rating Total depth from original grade 1.2 GPD/SF 10.0 Ft. LEGAL DESCRIPTION Depth to pipe invert from original grade 7.0 Ft. Gravel depth beneath pipe 3.0 Ft. Subdivision Block Lot *180 Fill added above original grade 0.2 Ft. Gravel length 46 Ft. Township Range Section 15N 1W 18 Gravel width 5.0 Ft. Beds: Number of Lines Distance between lines Ft. SEPARATION DISTANCES To Septic Tank Absorption Lift Station Holding Sewer Total absorption area Number of trenches Dist. between trenches From Field Tank Line 388 Ft2 11 Ft. Well >100' >1 00' N/A N/A >25' TANK 9Septic ElS.T.E.P. El Holding El Other Manufacturer Greer Capacity 1000 Gal. Surface Water > 100' >1 00' N/A N/A Material Plastic Number of compartments 2 Lot Line >5' >10' N/A N/A NA Foundation >10' > 1 0' N/A N/A LIFT STATION turer Capacity Remarks Proposed Corina Sub, Lot 1 Gal. Alarm location installed by Installer PIPE MATERIAL House to tank D3034 Tankto D3034 Littler Dipper Excavating Drainfield D3034 CO/MTD3034 Inspector J. Millette BENCH MARK (Assumed elevation) 100 ft Inspection4/7/22 4/8/22 Location and description dates:2nd aro 4/8/22 Bottom of siding 4'h ON-SITE WATER AND WASTEWATER SECTION APPROVAL Engineer's Stamp �qlt Conditional Approval: Date 'oF �,;� .. , cp,F� i TH Septic System I r� BenjaminSchiller / ��1�'slF�• C y Approved Date 4/ ! 20 t Z /2//222 •������®s F�pROFESSIONP1 11��.` Note: this approval does not include well permit requirements. ��\�®�� trcev voiuzri a/ PROFILE AS-BUILT (NO SCALE) 94.0 89.7 94.6 100.5FCOMH SV1000 GAL SEPTIC TANK 100.8 FINISH GRADE 46' DRAINFIELD ROCK TH#1NO GROUNDWATER 2/2/2022 90.6 93.6 COCO84.1 93.6 100.6 ORIGINAL GRADE MT2CO93.8 Benjamin Schiller CE 12592 R E GISTEREDPROFES S I O N A LENGINEERNov 03, 2022 PERMIT # OSP221069 PID # 051-232-17 T15N R1W SEC 18 LOT 180 Benjamin Schiller CE 12592R E GISTEREDPROFES S I O N A LENGINEER1"=50' 1000-GAL SEPTIC TANK w/ 20" MANWAY CO - CLEANOUT 2CO - DOUBLE CLEANOUT FCO - FOUNDATION CLEANOUT FS - FLOW SPLITTER VALVE FD - FLOW DIVERTER MH - MANHOLE MT - MONITORING TUBE SV - SEPTIC VENT TH - TEST HOLE LEGEND PERMIT # OSP221069 PID # 051-232-17 T15N R1W SEC 18 LOT 180 A B FCO 54.4 MH 54.0 SV 55.1 A B 2CO 55.7 CO1 57.4 CO2 78.4 9.8 27.7 32.3 34.8 40.2 86.1FEET 0 50 100 NOTE: RICHNER ROAD 3/9/2023 BIRCHWOOD LOOP 170 33' PATENT R.O.W. & UTILITY RESERVE 170 EXISTING WELL w/ 100' RADIUS TH#2 TH#1 3-BDRM HOM E 160150 NEW WELL 46' LONG x 5' WIDE, 3' EFFECTIVE DEPTH ABSORPTION TRENCH CO2 MT CO1 2CO FCO SEPTIC AREAS FOR LOTS 168A & 168B ARE >100' FROM THE PROPOSED WELL LOCATION NEIGHBORING SEPTIC AREA PERMITTED SEPTIC FOR PROPOSED LOT 2 EXISTING WEL EXISTING 100' WELL RADII PROFILE AS-BUILT MT 79.785.8 Mark Begich Mayor Development Services Department Building Safety Division On-Site Water & Wastewater Program 4700 Elmore Road P.O. Box 196650 Anchorage, AK 99507 www.muni.org/onsite (907) 343-7904 Pump Installation Log Well Drilling Permit Number: SW Date of Issue: Parcel Identification Number: Legal Description Property Owner Name & Address: Pump Installation Date: Pump Intake Depth Below Top of Well Casing: feet Pump Manufacturer’s Name: Pump Model: Pump Size hp Pitless Adapter Burial Depth: feet Pitless Adapter Manufacturer’s Name: Pitless Adapter Installer: Well Disinfected Upon Completion? Yes No Method of Disinfection: Comments: Pump Installer Name: Attention: The pump installer shall provide a pump installation log to the DSD within 30 days of pump installation. Whaa ®n 1,AJater V,,Va�Do Dnc. 1190 N. Wasilla-Fish hook Road Wasilla, AK 99654 (907)376-2041 Name: Hultquist Homes Address: 19507 Richner Rd City: Chugiak State: Al( Zip Code: 99567 Well Site: T15NR1 W Sec 18 Lot/Block: L180 A Additional: 19038 Richner Rd, Chugiak, AK Well Depth: 70 ft. From: 20: Formation: stickup Below Ground: 68 ft. 2 3 topsoil/organics Above Ground: 2 ft. 3 8 gravel/dirt/sand Gal/Min: 7 8 23 sand/damp 23 36 brown silt/clay Static Level: 38 ft. 36 67 grey silt/clay 67 69 gravel/water/sand Casing: 69ft. of 6 in. x .25 in. steel 69 70 bedrock Liner Pipe: N/A Screened: N/A Perforated: N/A WATER QUALITY TESTING Co iform A,�- 6r4 --n",; Col/100rnL Grouted: Yes, 2 bags Mtrates Acro��r�a mg/L Depth: Arssar►ic n.or o-ti�r,g/L Develop. Method: Air Use of Well: Residential Drilling Method: Rotary Misc: Other: develop with pump The well was pumped 5' off the bottom with 100% draw down for 2 hours and recovered at 7gpm . Date Drilled: 5/2/2022 Driller: Seth Moore \Q 0 W C Z FE \ \\ \ \ \ b0 61 N O J 30.0' \ II N O / J rn J ° m O g .g � r1 o'• 4000 to HI 'Z rums d Z Q�°O O m :Y ° m O N O L L o+ Q C O m m N m m o m m o. L m C U N u+ j�C m o > cv +SOL oa a LI ov o. mm°oo 'AI om � E O ° m I c L mn i L c c o.mc m 0 Me v am0 c c I L m m m o E m I m Of yo .- o m N m 1+ rn m cw EL C O+ ZI -UI c m O N v ly c p a �o m �cooc + mm o+3N y1 0-0s°p-''O0� o Nc Lo. mo cv ° ° O U +O 3 Z Q v m c xm ° o N O« m O m T O m t a E, =a -Map C O N Om m Co �+ m 0 -yc Tt o c0+v d1 ° -� + Z m t L° T�VO.0+N m m COL om tc°iW o.Eco m :OE 00 j ° t U 004 N N T"' OIL LO N C m + m+ a1-o+ay m O o c E +o J° Lm m b L m _ a3cam c° u MUNICIPALITY OF ANCHORAGE On -Site Water & Wastewater Program PO Box 196650 4700 Elmore Road Anchorage, Alaska 99519-6650 Phone: (907) 343-7904 Fax: (907) 343-7997 http://www.muni.org/onsite On -Site Water & Wastewater System Permit Permit Number: OSP221069 Work Type: WellSeptic Initial Tax Code Number: 05123217000 Site Legal Address: T15N R1 W SEC 18 LT 180 G:1054 Site Mailing Address: 19038 RICHNER RD, Chugiak Owner: HULTQUIST HOMES INC Design Engineer: FORGE ENGINEERING This permit is for the construction of: Effective Date: Expiration Date Lot Size in Sq Ft: Total Bedrooms: AAA t 1 Departinent 4/6/2022 4/6/2023 1:•11 Q Disposal Field 0 Septic Tank Holding Tank Privy Q Private Well Water Storage All construction shall be in accordance with: 1. The attached approved design. 2. All requirements specified in Anchorage Municipal code Chapters 15.55 and 15.65 and the State of Alaska Wastewater Disposal Regulations (18AAC72) and Drinking Water Regulations (18AAC80) 3. The wastewater code requires inspections during the installation. The engineer shall notify the Development Services Department per AMC 15.65. Provide notification by calling (907) 343-7904 (24/7). 4. From October 15 to April 15, a subsurface soil absorption system under construction during freezing weather shall be either: a. Opened and Closed on the same day, or b. Covered, sealed, and heated to prevent freezing Received By: Issued By: Date: Date: Z 3 �l�I UMCPA U7 Y OF" HCH0Rr\ GE UD Community Development Department Phone: 907-343-7904 Development Services Division Fax: 907-343-7997 On -Site Water & Wastewater Program ON-SITE SEWER/WELL PERMIT APPLICATION Parcel I.D. 051-232-17 Property owner(s) Kourosh Partow Day phone (907) 310-2501 Mailing address 12570 Old Seward Hwy Suite 204 Anchorage, Alaska 99515 Site address 19036 Richner Rd Legal description (Sub'd., Block & Lot) Lot 180 (Proposed Lot 1) Legal description (Township, Range & Section) T1 5N R1 W SEC 18 Lot Size 108,900 Sq. Ft. Number of Bedrooms 3 APPLICATION IS FOR: APPLICATION IS AN: TYPE OF DWELLING: (N all that apply) Absorption Field ❑X InitialSingle Family (SF) 1K (w/wo ADU) Septic Tank ❑X Upgrade A Duplex (D) ❑ Holding Tank ❑ Renewal ❑ Multiple Dwellings ❑ Privy ❑ (SF and/or D) Private Well Water Storage ❑ THIS APPLICATION INCLUDES A VARIANCE / WAIVER REQUEST FOR: Distance: I certify that the above information is correct. I further certify that this is in accordance with applicable Municipal Codes. (Signature of property owner or authorized agent) Permit/Rush Fees: g 7 O Waiver Fees: Date of Payment: Y�S�2 Z Date of Payment: Receipt Number: 01-75'3D Receipt Number: Permit No. 2-2 106 !3 Waiver No. Permit App_::- : :-'.,'c April 6, 2022 MOA Development Services, On-Site Water & Wastewater Program 4700 Elmore Rd Anchorage, AK 99507 Subject: T15N R1W Section 18 Lot 180 – Richner Road 4/6/22 Well and septic system design (Proposed Lot 1) Dear On-Site Services Engineer: The owner of the above lot intends to build a 3-bedroom home on the property, so we are submitting this permit application for the construction of a new well and septic system. The attached site plan identifies the location of the home as well as the proposed well and septic site. No conflicts exist between this proposed system and any other well or septic system, whether on this lot or adjacent lots. The owner is in the process of subdividing the property into two individual lots. The existing well and septic on proposed Lot 2 will be preserved for its future development. The attached site plan identifies the proposed lots as well as the lot line that will divide them. The ground surface on the lot is mostly flat. There are no slopes greater than 25% within 50 feet downslope of proposed septic location. Elevations are shown on the site plan showing the grade and direction of flow. The new trench will be constructed parallel to the slope as much as possible. A small portion of upper part of the effective area will be in the GP strata. A sieve analysis was performed on the underlying sand layer, which showed SP/SM sands. This lower layer will offer sufficient treatment to the effluent that passes through it without the need of a sand liner. Due to the fast percolation rate of the GP layer, any effluent flowing through the sidewalls would travel vertically down into the sand layer where it will be treated sufficiently. We expect no adverse effects on groundwater, aquifers, or neighboring wells from the use of the GP layer for absorption area. Wells on this and adjacent lots are shown. The new system will be a minimum of 100’ from all wells and surface water, and more than 5’ away from the septic tank. The alternate site is located more than 6’ away. Please refer to the attached test hole logs, soils analysis, plan and profile pages for the septic design. If this design is followed, there will be no adverse impacts to adjacent properties. Sincerely, Benjamin Schiller, PE Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 ALTERNATE SITE Benjamin Schiller CE 12592R EGISTEREDPROFE S S I O N ALENGINEER 1"=50' 1000-GAL SEPTIC TANK w/ 20" MANWAY CO - CLEANOUT 2CO - DOUBLE CLEANOUT FCO - FOUNDATION CLEANOUT FS - FLOW SPLITTER VALVE FD - FLOW DIVERTER MH - MANHOLE MT - MONITORING TUBE SV - SEPTIC VENT TH - TEST HOLE LEGEND T15N R1W SEC 18 LOT 180 FEET 0 50 100 NOTE: NO SLOPES >46% OR SURFACE WATER WITHIN 100' OF THE PROPOSED SEPTIC SYSTEM ALL WELLS ON SURROUNDING LOTS WITH IMPACTS TO THIS PROPERTY ARE SHOWN. NO CONFLICTS WITH WELLS OR SEPTIC SYSTEMS. RICHNER ROAD 4/1/2022 BIRCHWOO D LOOP 170 33' PATENT R.O.W. & UTILITY RESERVE 170 EXISTING WELL w/ 100' RADIUS TH#2 TH#1 3-BDRM HOME 16 0150 PROPOSED WELL w/ 100' RADIUS 45' LONG x 5' WIDE, 3' EFFECTIVE DEPTH ABSORPTION TRENCH CO MT MT CO 2CO FCO SEPTIC AREAS FOR LOTS 168A & 168B ARE >100' FROM THE PROPOSED WELL LOCATION NEIGHBORING SEPTIC AREA PERMITTED SEPTIC FOR PROPOSED LOT 2 EXISTING WELL ON L180 TO REMAIN IN SERVICE FOR FUTURE DEVELOPMENT OF PROPOSED LOT 2. IF SUBDIVISION FALLS THROUGH, WELL MUST BE DECOMMISSIONED OR CONNECTED TO NEW HOME. EXISTING 100' WELL RADII ≥10' Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 T15N R1W SEC18 LOT 180 TYPICAL TRENCH SECTION (NO SCALE) NOTES: 1. GRADE AREA OVER TRENCH TO DRAIN AWAY 2. PROVIDE 3' OF COVER OVER TRENCHES AND 4' OVER SEPTIC TANK, OR 2' WITH 2" OF INSULATION 3. CHECK GROUNDWATER AT TIME OF CONSTRUCTION. IF LEVEL IS HIGHER THAN PREVIOUSLY OBSERVED, CALL ENGINEER IMMEDIATELY Benjamin Schiller CE 12592R EGISTEREDPROFE S S I O N ALENGINEERDESIGN FACTORS:SYSTEM REQUIREMENTS: 450 GPD PEAK FLOW PERK RATE: <1 MIN/IN APPLICATION RATE: 1.2 GPD/SF SHALLOW 5 WIDE TRENCH SYSTEM 1000-GAL SEPTIC TANK w/ 20" MANWAY BOTTOM OF TRENCH: 7' 6" BELOW HIGHEST GRADE FLOW LINE ELEVATION: 4' 6" BELOW HIGHEST GRADE TOP OF TRENCH: 6" ABOVE GRADE 450 GPD / 1.2 GPD/SF / 5' WIDE * 0.58 RED FACTOR (3' EFF DEPTH) = 43.8 LF TRENCH REQUIRED (45 LF SPECIFIED) 4/1/2022 4" PERFORATED PVC (HOLES DOWN) DRAINFIELD ROCK 5' 6" 4' 3' GEOTEXTILE FABRIC 6" Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 LEGAL DESCRIPTION: PERFORMED FOR: DATE: PARCEL ID#: SOILS LOG AND PERCOLATION TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 DEPTH (feet) TEST HOLE 1 DATE READING START TIME NET TIME (minutes) DEPTH to WATER NET DROP (inches)(inches) DATE OF MONITORING WAS GROUND WATER ENCOUNTERED? DEPTH TO WATER AFTER MONITORING IF YES @ WHAT DEPTH? 2/10/22 1 2 3 4 5 6 Professional Engineers Stamp: NO T15N R1W SEC8 L180 (Proposed L1) 2/10/22 051-232-17 Hultquist Homes 11:461 2 3 4 5 6 0 11:49 11:51 11:52 11:53 11:56 0.5' OB 0:28 Benjamin Schiller CE 12592R EGISTEREDPROFE S S I O N ALENGINEER2/10/22 PERC TEST LOCATION TECHNICIAN: L.TIDWELL 6 6 N/A DRY 2/22/22 COMMENTS: 0 0:33 6 6 0 0:32 6 6 0 0:38 6 6 0 0:34 6 6 0 0:36 6 6 SANDY GRAVEL w/ COBBLES (GP) CLEAN SAND (SP-SM) USCS CLASSIFICATION IS VISUALLY DETERMINED UNLESS NOTED OTHERWISE SANDY GRAVEL w/ COBBLES (GP) STRATA PERCOLATION RATE <1 MPI PERCOLATION RATE: (MIN/INCH)0.10 6" DIAMETER TEST HOLE SITE PLAN PRESOAKED PRIOR TO TESTING? NO Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 LEGAL DESCRIPTION: PERFORMED FOR: DATE: PARCEL ID#: SOILS LOG AND PERCOLATION TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 DEPTH (feet) TEST HOLE 2 DATE READING START TIME NET TIME (minutes) DEPTH to WATER NET DROP PERCOLATION RATE: (MIN/INCH) (inches)(inches) DATE OF MONITORING WAS GROUND WATER ENCOUNTERED? DEPTH TO WATER AFTER MONITORING IF YES @ WHAT DEPTH? 0.07 2/10/22 1 2 3 4 5 6 SANDY GRAVEL w/ COBBLES (GP) Professional Engineers Stamp: NO T15N R1W SEC8 L180 (Proposed L1) 2/10/22 051-232-17 Hultquist Homes 12:331 2 3 4 5 6 0 12:35 12:36 12:37 12:38 12:39 0.5' OB 0:20 Benjamin Schiller CE 12592R EGISTEREDPROFE S S I O N ALENGINEER2/10/22 PERC TEST LOCATION TECHNICIAN: L.TIDWELL 6 6 N/A DRY 2/22/22 COMMENTS: 6" DIAMETER TEST HOLE SITE PLAN 0 0:27 6 6 0 0:28 6 6 0 0:31 6 6 0 0:30 6 6 0 0:28 6 6 CLEAN SAND (SP/SM PER SEIVE ANALYSIS) USCS CLASSIFICATION IS VISUALLY DETERMINED UNLESS NOTED OTHERWISE SANDY GRAVEL w/ COBBLES (GP) STRATA PERCOLATION RATE <1 MPI PRESOAKED PRIOR TO TESTING? NO Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 % GRAVEL 12.9 USCS SP-SM % SAND 76.2 USACOE FC NFS % SILT/CLAY 10.9 % PASS. 0.02 mm 1.0 % MOIST. CONTENT 6.3 % PASS. 0.002 mm N/A N/A N/A N/A SIEVE SIEVE TOTAL % SPECIFICATION SIZE (mm) SIZE (U.S.) PASSING (% PASSING) 152.40 6" 76.20 3" 38.10 1.5"100 19.00 3/4"97 12.70 1/2"94 9.50 3/8"93 4.75 #4 87 2.00 #10 84 0.85 #20 81 0.43 #40 78 0.25 #60 66 0.15 #100 39 0.075 #200 10.9 ELAPSED DIAMETER TIME (MIN)(mm) 0 1 0.0524 2 0.0375 5 0.0239 8 0.0189 15 0.0139 30 60 250 1440 SOUNDNESS OF AGG. (ASTM C88) DEGRADATION (ATM T-313) LA ABRASION (ASTM C131/C535) SP. GRAV. COARSE AGG. (ASTM C127) CLASSIFICATION: DATE RECEIVED: TESTED BY: REVIEWED BY: UNIFORMITY COEFFICIENT (Cu) COEFFICIENT OF GRADATION (Cc) ASTM D1557 (uncorrected) ASTM D4718 (corrected) OPTIMUM MOIST. CONTENT. (corrected) PROJECT CLIENT: PROJECT NAME: PROJECT NO.: SAMPLE DESC.: NGE-TFT ID #:3.1 1.0 Forge Engineering, Inc. HYDROMETER RESULT N/A SIEVE ANALYSIS RESULT 2022 Materials Testing 6309-22 T15 R1WSE C18 L180 TH-2(L1) 22-S-1 Poorly-graded sand w/ silt 3/30/2022 Erik Boatwright Andrew Fortt TOTAL % PASSING 0.9 0.2 11301 Olive Lane ∙ Anchorage, Alaska 99515 ∙ Phone: 907-344-5934 ∙ Fax: 907-344-5993 ∙ www.nge-tft.com N/A N/A The testing services reported herein have been performed to recognized industry standards, unless otherwise noted. No other warranty is made. Should engineering interpretation or opinion be required, NGE-TFT will provide upon written request. N/A 3.7 2.3 1.6 115 120 125 130 135 140 145 0 2 4 6 8 10 12 14 16DRY DENSITY (pcf)MOISTURE CONTENT (%) MOISTURE-DENSITY RELATIONSHIP ASTM D1557 SILT or CLAYCOBBLES GRAVEL Coarse Fine SAND Coarse Medium Fine 0 10 20 30 40 50 60 70 80 90 100 0.0010.01 0.11 10 100 FINER BY MASS (%)GRAIN SIZE (mm) PARTICLE SIZE ANALYSIS ASTM D6913 / C136 / D422 #200#40 #10 1.5 1/2 3 6 3/4 #4 #20 #60 #100 3/8 U.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS HYDROMETER Municipality of Anchorage On-site Water and Wastewater REVIEWED FOR CODE COMPLIANCE OSP221069, Deb Wockenfuss, 04/06/22 MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section Fax: 907-343-7997 Certificate of On -Site Systems Approval Parcel I.D. 051-232-17 Expiration Date: 2 i`rz 2o2 Legal description T1 5N R1 W Section 18 Lot 180 (Proposed Corina Subd Lot 1) Site address 19038 Richner Rd Chugiak Current property owner(s) HUltquist Homes X The On-site system(s) is/are approved for 3 bedrooms Conditional approval for bedrooms, with the following stipulations: Comments or advisories: By: L Original Certificate Date: 11/14/2022 This Certificate of On -Site Systems Approval (COSA) is intended to demonstrate the subject system(s) is/are in substantial compliance with municipal code. The Municipality of Anchorage, Development Services Department (DSD) issues COSAs based upon representations provided by an independent professional engineer. The Municipality of Anchorage is not responsible for errors or omissions in the professional engineer's work. ATTACHMENTS: COSA Checklist X Well Flow Advisory Absorption Field Advisory Nitrate Advisory Tank Age Advisory Arsenic Advisory Other COSA Approval June 2022 MUNICIPALITY OF ANCHORAGE Development Services Department Phone: 907-343-7904 On -Site Water & Wastewater Section � Fax. 907-343-7997 Certificate of On -Site Systems Approval Application 1. GENERAL INFORMATION Parcel I.D. 051-232-17 Complete legal description T1 5N R1 W Section 18 Lot 180 (Proposed Corina Sub, Lot 1) Location (site address) 19038 RiChner Road, Chugiak, AK 99567 Current property owner(s) HUItquist Homes Day phone (907) 522-3204 2. ON-SITE SYSTEMS SIZED FOR 3 BEDROOMS 3. TYPE OF WATER SUPPLY: X Private Well ❑ Private Well serving 2 dwelling units ❑ Private Well serving 3+ dwelling units ❑ Community Well or Public ❑ Water Storage 4. TYPE OF WASTEWATER DISPOSAL: X Private Septic ❑ Private Septic serving 2 dwelling units ❑ Holding Tank ❑ Community Septic or Public Sewer 5. SEPTIC TANK: ❑ Steel ❑■ Plastic ❑ Concrete ❑ Fiberglass Age < 1 - See advisory if steel older than 20 years 6. ABSORPTION FIELD: ❑ AWWTS ❑ Bed ❑ Deep Trench X Wide Trench ❑ Seepage Pit Waiver request for: Expedited review requested: t❑ Distance: By applying for this entitlement, this property is subject to inspection by municipal On-site staff to verify the accuracy of the information provided. COSA Fee $ /M . Gv Waiver Fee $ Date of Payment 111ul a;z Date of Payment COSA # C V121 S c3 % Waiver # COSA Application—June 2022 COSA Checklist Legal Description: T1 5N R1 W Section 18 Lot 180 Parcel ID: 051-232-17 If more than 1 well and/or septic system on lot, provide separate checklist. Structure served by this system _ A. WELL DATA 0 Well log is filed with Onsite (or attached) Date drilled 5/2/22 Total depth 70 ft Cased to 69 ft 0 Sanitary seal is functioning correctly R Wires are properly protected Casing height (above ground) 24 in. Date of flow test for COSA 5/2/22 Static water level at beginning of test 38 ft. Comments B. TANK DATA Measured operating fluid level in septic tank N/A Date of pumping N/A ❑ Required maintenance completed, if AWWTS Comments: New installation D. ABSORPTION FIELD DATA Which system tested (date installed) 4/8/22 0 ALL standpipes present per record drawing Total measured depth from grade 10.2 ft (max) Measured depth to pipe invert from grade 7.2 ft (min) ❑ N/A — pressurized field. ❑ Per record drawings, field is insulated. 0 Monitor tubes go to bottom of effective. If not, state depth into effective ❑ Presoaked required if (Required if house vacant or field not used for more than 30 days prior to date of test) Gallons introduced N/A gallons N/A date Any rejuvenation treatment (past 12 months) N/A If yes, enter date Comments/Deficienci COSA Checklist June 2022 Well production at time of test 7 gpm Water storage tank volume N/A gallons Well disinfected for coliform test? ❑ Yes ❑ Nc M Coliform bacteria is Negative Nitrate mg/L 0 Nitrate less than MRL (ND) Arsenic ug/L Fm� Arsenic less than MRL (ND) Collected by Wheaton Water Wells Date 8/16/22, 11/8/22 C. LIFT STATION LJ-ReqLJ_red maintenance completed Age of lift station years Lift station material Comments: Adequacy test date NEW Results FlPass Flui epth prior to test _ Water a ed gal New fluid de in Elapsed time min Final fluid depth in Absorption rate gp FIELD STATUS — POST F in Effective depth (per record drawi Effective depth used in Effective depth remaining _ 17 in E. SEPARATION DISTANCES From Private Well on Lot to: (Please enter distances if less than required or if community well on lot) Septic Tank/Lift Station on Lot > 100' Community Sewer Manhole/Cleanout > 100' ME Yes if No ft ❑ Yes if No ft Neighboring Tank > 100' ❑ Yes if No ft Private Sewer/Septic Line > 25' ❑ Yes if No ft Absorption Field on Lot > 100' M Yes if No ft Holding Tank > 100' ❑ Yes if No ft Neighboring Absorption Fields > 100' Animal Containment > 50' ❑ Yes if No ft ❑ Yes if No ft Manure/Animal Excreta Storage > 100' Community Sewer Main > 75' ❑Yes if No ft ❑ Yes if No ft ❑ N/A — Served by Community Well (not on lot) or Public Water From Septic/Holding Tank and Absorption Field(s) on Lot to: (Please enter distances if less than required) Building Foundations > 10' ❑ Yes if No ft Surface Water > 100' ❑ Yes if No ft Tank to Property Line > 5' ❑ Yes if No ft Wells on Adjacent Lots: Field to Property Line > 10' ❑ Yes if No ft Private Wells > 100' 0 Yes if No ft Water Main > 10' ❑ Yes if No ft Community Wells > 200' ❑ Yes if No ft Water Service Line > 10' n Yes if No ft If tank or field is under driveway comment below F. ENGINEER'S COMMENTS G. CERTIFICATION & STATEMENT OF INSPECTION BY ENGINEER As certified by my seal affixed hereto and as of the validation date shown below, I verify that my investigation, based on procedures outlined in the Certificate of On -Site Systems Approval Guidelines, indicates that the on-site water supply and/or wastewater disposal system appears to comply with applicable Municipal and State codes, ordinances, and regulations in effect at the time of installation, unless noted otherwise. Name of Firm Forge Engineering Phone (907) 522-7773 Engineer's Printed Name Benjamin Schiller, P.E. Date 11/2/22 Aw 49 TM;1411 lei .. •Beniarr Schiller ;101 �CE 125924 l �`�OpROFESS10Nt-� _ COSA Checklist—June 2022 k��ROFESSa�